?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Yulia&rft.au=Yulia%2C+Mery+Dwi&rft.aufirst=Mery+Dwi&rft.inst=Universitas+Negeri+Padang&rft.date=January+2013&rft.degree=Bachelor%2FSkripsi&rft.title=Penerapan+Model+Kooperatif+Tipe+Numbered+Heads+Together+(NHT)+dalam+Pembelajaran+Matematika+di+Kelas+VIII+SMPN+31+Padang+Tahun+Pelajaran+2012%2F+2013